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77 When water drive in the development of production reservoirs manifest themselves, wells are decommissioned after relatively small gas production due to the features in the industrial arrangement of gas condensate fields. For technological and economic reasons, the arrangement of gas condensate fields is not usually meant to collect and prepare gas with high water content. Reservoir water is usually highly mineralized, causing corrosion of underground and ground equipment. Such complications are especially evident in the final stages of field development and require significant investments. The issue of water flooding of productive reservoirs and gas condensate wells is extremely relevant at present for the world practice of hydrocarbon production. Given the above, there is a need for fundamental research and development of optimal ways to minimize the negative impact of reservoir waters on the process of development of gas and gas condensate fields. The new and improved hydrocarbon production technologies, based on the would-be research results, should ensure the highest ultimate hydrocarbon recovery factors at minimal cost with minimal burden on the environment.

The influence of nitrogen injection duration at the initial gas-water contact on the gas recovery factor